{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the current issues with blockchain applications?","a":"Performance Bottleneck: The transaction processing speed of blockchain is relatively slow, with limited transaction volume per second, making it unable to meet the requirements of high-concurrency scenarios. In addition, the scalability of blockchain is also limited, causing difficulties in improving system performance."}]}],"pr":"2ea710942a78334e17c25b26e2669ee704afaa73df57f087db65b2cca86ccefc"}